1. a small wheel attached to the bottom of furniture or equipment to make it easy to move
2. a container with holes in the top for sprinkling salt, sugar, or other substances
3. a person who casts something, especially metal or fishing lines

Examples

• The office chair has five casters that allow it to roll smoothly across the floor.
• One of the casters on the hospital bed is broken and needs to be replaced.
• She reached for the sugar caster to sweeten her coffee.
• The salt caster was nearly empty after the dinner party.
• The experienced caster could throw his fishing line exactly where he wanted it.
• The bronze caster worked carefully to create the sculpture.
• We need to oil the casters on this cart so it moves more quietly.